positive charge in the atom
The atomic number of an element represents the number of protons it has in its nucleus.
The atomic number represents the number of protons. The atomic mass represents the number of protons + neutrons.
The mass number
It represents the number of Protons (p+) that element has in the nucleus of one atom.
The atomic number represents the number of protons. The atomic mass represents the number of protons + neutrons.
The atomic number equals the number of protons in an atom, as well as the number of electrons in a stable, electrically neutral atom, it represents the identity of an element ,the simplest form of matter.
The mass number is the sum of the neutrons and protons which exist in the atomic nucleus of an isotope.
The number of protons is the atomic number.
Atomic number.
Atomic Number
This is the mass number.
An element's ID number is the atomic number, which represents the number of protons in the nucleus.